openlp/documentation/manual/source/introduction.rst

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=============
Introduction
=============
About
-----
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OpenLP stands for "Open source Lyric Projection" and is presentation software
developed for churches to provide a single easy to use interface for the
projection needs of a typical act of worship. First created in 2004, it has
steadily grown in features and maturity such that is it now a mainstay in
hundreds of churches around the world.
It can hold a searchable database of song lyrics and Bible verses allowing them
to be projected instantly or saved in a pre-prepared order of service file.
Themes allow song backgrounds to be changed instantly. PowerPoint presentations,
videos and audio files can be run from within the program removing the need to
switch between different programs. Alert messages can be displayed so the
nursery or car park stewards can notify the congregation easily. Remote
capability allows the worship leader to change songs, or for alert messages to
be sent from anywhere on the network, even via a phone.
Being free, this software can be installed on as many PC's as required, even on
the home PC's of worship leaders without additional cost. Compared to the
expensive site licenses or restrictions of commercial software we believe
OpenLP cannot be beaten for value. Still in active development by a growing
team of enthusiastic developers, features are being added all the time, meaning
the software just improves all the time.
OpenLP is an open source lyrics projection application developed specifically
for churches. It is licensed under the GNU Generic Public License, which means
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that it is free to use, distribute, modify, and it stays free.
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GNU General Public License
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--------------------------
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The GNU General Public License was specifically chosen because it ensures the
above mentioned freedoms. It specifically states that you are not allowed
to charge for the software, and that you have to distribute the source code as
well.
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You can find a copy of the GNU General Public License from the Help menu
selecting about OpenLP or on-line
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at: `<http://www.gnu.org/licenses/old-licenses/gpl-2.0.txt>`_.